I want to create a table which look like this:
+-----------------------------------------------------------+
|January 12th, 2012
I had forgotten that the table has the style 'table-layout: fixed' and this was causing the difficulty. When this style is set the widths of the cells in the first row are applied to all following rows. As the first row contained a colspan I guess IE got confused (FF handles it ok).
Any way it's not as flexible as I wanted but this worked for me.
09 January 2012